244617420 has 96 divisors (see below), whose sum is σ = 756822528. Its totient is φ = 58719232.

The previous prime is 244617391. The next prime is 244617421. The reversal of 244617420 is 24716442.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (244617421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18247 + ... + 28673.

It is an arithmetic number, because the mean of its divisors is an integer number (7883568).

Almost surely, 2^244617420 is an apocalyptic number.

244617420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244617420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378411264).

244617420 is an abundant number, since it is smaller than the sum of its proper divisors (512205108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244617420 is a wasteful number, since it uses less digits than its factorization.

244617420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10479 (or 10477 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 244617420 is about 15640.2499980020. The cubic root of 244617420 is about 625.4066004910.

The spelling of 244617420 in words is "two hundred forty-four million, six hundred seventeen thousand, four hundred twenty".